Model Comparison

Claude Sonnet 4 vs Qwen2.5 14B Instruct

Claude Sonnet 4 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Sonnet 4 outperforms in 1 benchmarks (GPQA), while Qwen2.5 14B Instruct is better at 0 benchmarks.

Claude Sonnet 4 significantly outperforms across most benchmarks.

Sat May 30 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Sonnet 4 specifies input context (200,000 tokens). Only Claude Sonnet 4 specifies output context (64,000 tokens).

Claude Sonnet 4

Input200,000 tokens

Output64,000 tokens

Qwen2.5 14B Instruct

Input- tokens

Output- tokens

Sat May 30 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Sonnet 4 supports multimodal inputs, whereas Qwen2.5 14B Instruct does not.

Claude Sonnet 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Sonnet 4

Text

Images

Audio

Video

Qwen2.5 14B Instruct

Text

Images

Audio

Video

License

Usage and distribution terms

Claude Sonnet 4 is licensed under a proprietary license, while Qwen2.5 14B Instruct uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Sonnet 4

Proprietary

Closed source

Qwen2.5 14B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4 was released on 2025-05-22, while Qwen2.5 14B Instruct was released on 2024-09-19.

Claude Sonnet 4 is 8 months newer than Qwen2.5 14B Instruct.

Claude Sonnet 4

May 22, 2025

1.0 years ago

8mo newer

Qwen2.5 14B Instruct

Sep 19, 2024

1.7 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Claude Sonnet 4

View details

Anthropic

Larger context window (200,000 tokens)

Supports multimodal inputs

Higher GPQA score (75.4% vs 45.5%)

Qwen2.5 14B Instruct

View details

Alibaba Cloud / Qwen Team

Has open weights

Claude Sonnet 4

Qwen2.5 14B Instruct

Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature	Claude Sonnet 4	Qwen2.5 14B Instruct

FAQ

Common questions about Claude Sonnet 4 vs Qwen2.5 14B Instruct.

Which is better, Claude Sonnet 4 or Qwen2.5 14B Instruct?

Claude Sonnet 4 significantly outperforms across most benchmarks. Claude Sonnet 4 is made by Anthropic and Qwen2.5 14B Instruct is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Sonnet 4 compare to Qwen2.5 14B Instruct in benchmarks?

Claude Sonnet 4 scores MMMLU: 86.5%, TAU-bench Retail: 80.5%, GPQA: 75.4%, MMMU: 74.4%, SWE-Bench Verified: 72.7%. Qwen2.5 14B Instruct scores GSM8k: 94.8%, HumanEval: 83.5%, MBPP: 82.0%, MATH: 80.0%, MMLU-Redux: 80.0%.

What are the context window sizes for Claude Sonnet 4 and Qwen2.5 14B Instruct?

Claude Sonnet 4 supports 200K tokens and Qwen2.5 14B Instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 4 and Qwen2.5 14B Instruct?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4 and Qwen2.5 14B Instruct?

Claude Sonnet 4 is developed by Anthropic and Qwen2.5 14B Instruct is developed by Alibaba Cloud / Qwen Team.